A lithium-ion battery module includes a housing (826) having a plurality of partitions (828) configured to define a plurality of compartments (829) within the housing. The battery module also includes a lithium-ion cell element (824) provided in each of the compartments (829) of the housing. The battery module further includes a cover (830) coupled to the housing (826) and configured to route electrolyte into each of the compartments (829). The cover is also configured to seal the compartments of the housing from each other.